ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners.
As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.
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Measurements of Aircraft Xenon Strobe Light Characteristics
This report provides data on the characteristics of aircraft xenon strobe lights related to their potential for use as the cooperative element in Optical IR (Infrared) Airborne Proximity Warning Indicator (APWI) systems. It includes a description of pertinent characteristics, measurements of radiation geometry and power output of selected strobes, a discussion of environmental effects including lamp aging, variation in supply voltage, thermal and installation effects. Detailed measurements of spectral peak radiant intensity in addition to spectral radiant energy are presented along with measurements of rise time, duration, and fall time as a function of wave length. (Author)
The paper reviews and summarizes the essential features of the collision risk model used to analyze the effects of separation standards on safety for ...
Flashing red incandescent lamps have formed the primary motorist warning device at grade crossings for several decades, in spite of technical constrai...
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